<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>图片插入</title>
</head>
<body>
<img alt="哎呀，图片被外星人偷走了" src="favicon.ico">
<img src="img/favicon.ico">
<img src="../favicon.ico">
</body>
</html>